The author, Guðrún Bjarnadóttir, teaches botany and runs the plant dye workshop Hespuhúsið in Borgarfjörður in western Iceland. Guðrún has been gathering information on the use of plants and associated folk beliefs for many years and has used this knowledge in her teaching of botany. The book develops and expand on her MSc thesis on the traditional use of plants in Iceland.
Jóhann Óli Hilmarsson has been photographing Icelandic nature for decades. He is best known for his bird photography and writing on birds but is also a highly accomplished photographer of plants.